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yaroslaw [1]
3 years ago
11

Explain why each of the following studies may fail to yield the desired information. (a) To determine the average annual income

of its graduates 10 years after graduation, the alumni office of a university sent questionnaires in 2015 to all members of the class of 2005. (b) To study the spending patterns of individuals, a survey is conducted during first three weeks of December.
Mathematics
1 answer:
harkovskaia [24]3 years ago
8 0

Answer:

the following studies may fail to yield the desired information because

(a) i. some of the students might have died before 2015.

ii. Some people might lie based on the questionnaire sent.

So based on the two factors above the desired information might be altered or incorrect.

(b) i. individuals may be unwilling to provide accurate answers during the survey.

Step-by-step explanation:

Information may be altered when individuals are asked about their income or spending in other to show off to friends or the person asking the questions.

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a cereal box is 18 inches by 3 inches by 12 inches. After breakfast, the box is one-third full. How many cubic inches of cereal
Nadusha1986 [10]

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Answer: 216 in ^3

Explanation:

18 x 3 x 12 = 648

648 / 3 = 216 in ^3

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5 0
3 years ago
Please help i can’t figure this out
UNO [17]

Answer:

C because 100 percent of 15 is 15 and 20 percent of 15 is 3

6 0
2 years ago
BC = 4x + 2 AB = 8x + 8 and AC = 22 Find BC
Scilla [17]

Answer:

BC = 6.8

Step-by-step explanation:

The distance from A to B, then from B to C, is the same distance as from A to C.

Thus,

AB + BC = AC

AB = 8x + 8

BC = 4x + 2

AC = 22

AB + BC = AC

(8x + 8) + (4x + 2) = 22

Expanding the parenthesis:

8x + 8 + 4x + 2 = 22

8x + 4x + 8 + 2 = 22

12x + 12 = 22

Subtracting 12 from both sides:

12x = 10

Dividing both sides by 12:

x = 10/12 = 1.2

x = 1.2

We're looking for BC. As we know,

BC = 4x + 2

Let's now put in x = 1.2 into this equation:

BC = 4x + 2

BC = 4 * 1.2 + 2

Since 4 * 1.2 is 4.8:

BC = 4.8 + 2

BC = 6.8

Answer: BC = 6.8

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2 years ago
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I would go with B but this is a tricky question. Hopefully i am correct.
3 0
3 years ago
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Select the quadrant or axis where each ordered pair is located on a coordinate plane
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(-5, 7) - Quadrant II

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Step-by-step explanation:

5 0
2 years ago
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